.alp {
    opacity: 0.8;
}

@keyframes mc {
    0% {
        opacity: 0.2;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0.2;
    }
}
@keyframes mb{
	0%{
		width: 100px;
	}
	10&{
		width: 200px;
	}
	100%{
		width: 100px;
	}
}